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Compound synergistic bactericidal composition

A composition, the technology of benzamid, which is applied in the field of compound synergistic bactericidal composition, can solve the problems of high cost of use, difficulty in popularization and application, etc.

Active Publication Date: 2010-02-24
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its use cost is high, and it is difficult to widely promote and apply it in the market.

Method used

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  • Compound synergistic bactericidal composition
  • Compound synergistic bactericidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: 51% benzamid · cymoxanil wettable powder

[0022] Benzamid 50%

[0023] Cymoxanil 1%

[0024] Sodium lauryl sulfate (wetting agent) 2%

[0025] Sodium lignosulfonate (dispersant) 5%

[0026] White carbon black (filler) 10%

[0027] Kaolin (filler) makes up to 100%.

[0028] The active ingredients, various additives and fillers are fully mixed according to the proportion of the formula, and after being pulverized by a superfine pulverizer, a 51% benzamid·cymoxan wettable powder can be obtained.

[0029] This embodiment is applied to the control of cucumber downy mildew. 51% benzamid · cymoxanil wettable powder was diluted with water at 150ga.i. / ha and sprayed, and the control effect was 92.8% 7 days after application. 200ga.i. / ha for 24% benhexamid suspension and 150g a.i. / ha for 15% cymoxanil wettable powder, diluted with water and sprayed, the control effects were 88.4% and 78.5% 7 days after application. The synergistic effect of the combination of b...

Embodiment 2

[0030] Example 2: 62% benzamid·cyazofamid water dispersible granules

[0031] Benzamid 60%

[0032] Cyazofamid 2%

[0033] Sodium alkylnaphthalene sulfonate (dispersant) 5%

[0034] Sodium lignosulfonate (dispersant) 7%

[0035] Sodium lauryl sulfate (wetting agent) 2%

[0036] Ammonium sulfate (disintegrant) 5%

[0037] Light calcium carbonate (filler) makes up to 100%.

[0038] Mix the active ingredient, dispersant, wetting agent, disintegrating agent and filler uniformly according to the ratio of the formula, crush it into a wettable powder by airflow, add a certain amount of water, mix and extrude the material, and obtain 62 after drying and sieving % benzamid·cyazofamid water dispersible granules.

[0039] This embodiment is applied to control grape downy mildew. 62% benzamid·cyazofamid water-dispersible granules are diluted with water at 100g a.i. / ha and sprayed, and the control effect is 93.7% 7 days after application. 24% benhexamid suspension was sprayed at 15...

Embodiment 3

[0040] Example 3: 21% benzamid · propamocarb suspension

[0041] Benzamid 20%

[0042] Propamocarb 1%

[0043] Sodium methylnaphthalenesulfonate formaldehyde condensate (wetting and dispersing agent) 6%

[0044] Xanthan gum (thickener) 2%

[0045] Bentonite (thickener) 1%

[0046] Glycerol (antifreeze) 5%

[0047] Water Make up to 100%.

[0048] Mix the active ingredient, wetting agent, dispersant, thickener, antifreeze agent and water according to the proportion of the formula, and then grind and / or high-speed shear to obtain 21% benzamid downy mildew Wei suspending agent.

[0049] This embodiment is applied to the control of cauliflower downy mildew. 21% benzamid·propamocarb suspension concentrate was diluted with water at 200ga.i. / ha and sprayed, and the control effect was 93.1% 7 days after application. 200ga.i. / ha for 24% benzamid suspension and 800g a.i. / ha for 72.2% propamocarb water solution, diluted with water and sprayed, the control effects were 87.3% and 80...

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Abstract

The invention discloses a compound synergistic bactericidal composition, the effective ingredients of which are zoxamide (A) and (B) which is one active ingredients of cyazofamid, cymoxanil, propamocarb and thiram, wherein the mass ratio of the effective ingredients A to B is 50:1-1:50. The effective ingredients A and B have obvious synergized action after being compounded in a certain proportionrange, and are mainly used for preventing and treating oomycete diseases.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a compounded and synergistic bactericidal composition containing benzamid. Background technique [0002] Oomycete diseases such as downy mildew and blight are very important diseases on fruit trees and vegetables, which seriously affect the yield and quality of crops and cause huge losses to agricultural production. In the 19th century, tens of thousands of people died of starvation due to the potato blight epidemic in Ireland. According to literature reports, the cost of pesticides used to prevent downy mildew and blight of vegetables and melons in my country in 1997 was 796 million yuan. In recent years, it has also been showing a rising trend. With the advent of metalaxyl, oomycete diseases have been effectively controlled, but the long-term single use of metalaxyl quickly led to the resistance of the bacteria; subsequently, propamocarb, cymoxan and other agents used in agricultu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/50A01N37/20A01N47/34A01N47/12A01N47/26A01P1/00A01P3/00
Inventor 刘胜召张承来张洪曹明章殷如龙王新军孔建
Owner SHENZHEN NOPOSION AGROCHEM
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